题目内容：
根据以下材料，回答题 Highways
Withtheincreaseinautoproduction,privateturnpike(收费公路)companiesunderlocalauthoritiesbegantospringup,andby1921therewere387,000milesofpavedroads．Atthattime,therewerenonationalstandardsforsize,weightrestrictions,orweightoftrucks．DuringtheWorldWarI,roadsthroughoutthecountrywerenearlydestroyedbytheweightoftrucks．WhenGeneralEisenhowerreturnedfromGermanyin1919,henoted,"Theoldconvoy(车队)hadstartedmethinkingaboutgood,two-lanehighways,butGermany'sautobahnormotorwayhadmademeseethewisdomofbroaderribbonsacrosstheland."
Theinterstatehighwaysystemwasfinallystartedin1956．Tobuildits44,000-milewebofhighways,bridges,andtunnels,hundredsofuniqueengineeringdesignsandsolutionshadtobeworkedout．Consideringthemanygeographicfeaturesofthecountrysuchasmountains,steepgrades,wetlands,rivers,desertsandplains,innovativedesignsofroadwaysbegantoweavetheirwayacrossthecountry,foreveralteringthefaceofAmerica.
Today,theinterstatesystemlinkseverymajorcityintheU.S.,andtheU.S．withCanadaandMexico．Builtwithsafetyinmind,thehighwayshavewidelanesandshoulders,dividingmedians,orbarriers,longentryandexitlanes,curvesengineeredforsafeturns,andlimitedaccess．ThedeathrateonhighwaysishalfthatofallotherU.S．roads(0.86deathsper100millionmilescomparedto1.99deathsper100milliononallotherroads).
ByopeningtheNorthAmericancontinent,highwayshaveenabledconsumergoodsand
servicestoreachpeopleinremoteandruralareasofthecountry,spurredthegrowthofsuburbs,andprovidedpeoplewithgreateroptionsintermsofjobs,accesstoculturalprograms,healthcare,andotherbenefits．Aboveall,theinterstatesystemprovidesindividualswithwhattheycherishmost:personalfreedomofmobility.
Theinterstatesystemhasbeenanessentialelementofthenation'seconomicgrowthintermsofshippingandjobcreation:morethan75percentofthenation'sfreightdeliveriesarrivebytruck;andmostproductsthatarrivebyrailorairuseinterstatesforthelastlegofthejourneybyvehicle.
NotonlyhasthehighwaysystemaffectedtheAmericaneconomybyprovidingshippingroutes,butithasledtothegrowthofspin-offindustrieslikeservicestations,motels,restaurants,andshoppingcenters．Ithasallowedtherelocationofmanufacturingplantsandotherindustriesfromurbanareastoruralareas.
Nationalstandardsforpavedroadswereinplaceby1921. A．Right
B．Wrong
C．Notmentioned
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